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Credit Agreement and Long- Term Debt - Additional Information (Detail) - USD ($) |  | 9 Months Ended | 12 Months Ended | 42 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 04, 2022 | Jul. 31, 2023 | Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022 | Apr. 30, 2027 | Aug. 03, 2022
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving loan outstanding |  |  | $ 8,900,000 |  |  |  |
Interest Expense, Debt |  |  | $ 1,000,000 | $ 600,000 | $ 300,000 |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate |  |  | 0.50 |  |  |  |
Weighted average interest rate of debt outstanding |  |  | 7.54% |  |  |  |
Federal Funds Effective Swap Rate [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.50% |  |  |  |
LIBOR [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 1.00% |  |  |  |
Minimum [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commitment fee rate |  |  | 0.15% |  |  |  |
Percentage added to variable rate |  |  | 0.60% |  |  |  |
Minimum [Member] | LIBOR [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 1.60% |  |  |  |
Maximum [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commitment fee rate |  |  | 0.35% |  |  |  |
Percentage added to variable rate |  |  | 1.50% |  |  |  |
Maximum [Member] | LIBOR [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 2.50% |  |  |  |
Bank of America, N.A. [Member] | Term Loan [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, principal Periodic payment |  | $ 375,000 |  |  |  | $ 675,000 |
Bank of America, N.A. [Member] | Term Loan [Member] | Second Amendment Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Proceeds from long term line of credit | $ 6,000,000 |  |  |  |  |  |
Bank of America, N.A. [Member] | Term Loan [Member] | Additional Term Loan Availed [Member] | Second Amendment Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount of debt | 6,000,000 |  |  |  |  |  |
Bank of America, N.A. [Member] | Term Loan [Member] | Before Amendment To The Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount of debt | 9,000,000 |  |  |  |  |  |
Bank of America, N.A. [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  | $ 16,100,000 |  |  |  |
Long term debt weighted average interest rate over a period of time |  |  | 7.70% | 6.35% |  |  |
Bank of America, N.A. [Member] | Revolving Credit Facility [Member] | Second Amendment Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 25,000,000 |  |  |  |  |  |
Proceeds from long term line of credit | $ 12,400,000 |  |  |  |  |  |
Bank of America, N.A. [Member] | Revolving Credit Facility [Member] | Before Amendment To The Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 22,500,000
Bank of America, N.A. [Member] | Revolving Credit Facility [Member] | Other Expense [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest Expense, Debt |  |  | $ 1,200,000 | $ 800,000 |  |  |
Line of Credit Facility, Commitment Fee Amount |  |  | 30,000 | $ 30,000 |  |  |
Banc of America Leasing & Capital, LLC [Member] | Equipment Loan Agreement [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount of debt |  |  | $ 800,000 |  |  |  |
Debt instrument, maturity date |  |  | Jan. 23, 2029 |  |  |  |
Periodic payment of debt |  |  | $ 16,296 |  |  |  |
Interest rate |  |  | 7.06% |  |  |  |
Date of first required payment |  |  | Feb. 23, 2024 |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Weighted average interest rate of long-term debt outstanding calculated over time. + References No definition available. + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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